/* Reflow Oven Controller
*
* Copyright (C) 2020  Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/

#include <stm32/stm32f4xx.h>
#include <stm-periph/uart.h>
#include <reflow-controller/onewire-if.h>
#include <reflow-controller/onewire-temp-sensors.h>
#include <stm-periph/clock-enable-manager.h>
#include <stm-periph/stm32-gpio-macros.h>

static struct stm_uart if_uart;

void onewire_temp_sensors_setup_hw()
{
	rcc_manager_enable_clock(&RCC->AHB1ENR, BITMASK_TO_BITNO(ONEWIRE_TEMP_RCC_MASK));

	ONEWIRE_TEMP_PORT->OTYPER |= OTYP_OPENDRAIN(ONEWIRE_TEMP_TX_PIN);
	ONEWIRE_TEMP_PORT->MODER &= MODER_DELETE(ONEWIRE_TEMP_RX_PIN) & MODER_DELETE(ONEWIRE_TEMP_TX_PIN);
	ONEWIRE_TEMP_PORT->MODER |= ALTFUNC(ONEWIRE_TEMP_RX_PIN) | ALTFUNC(ONEWIRE_TEMP_TX_PIN);
	SETAF(ONEWIRE_TEMP_PORT, ONEWIRE_TEMP_RX_PIN, ONEWIRE_TEMP_AF_NUM);
	SETAF(ONEWIRE_TEMP_PORT, ONEWIRE_TEMP_TX_PIN, ONEWIRE_TEMP_AF_NUM);

	(void)onewire_if_init_uart(&if_uart, 1, ONEWIRE_UART_DEV, &RCC->APB1ENR, BITMASK_TO_BITNO(RCC_APB1ENR_USART3EN));
}